Apparatus for administering anesthetics.



A. M. GAINE.

APPARATUS FOR ADMINISTERING ANESTHETIGS. APPLICATION FILED MATEO, 1912.1,094,301. Patented Apr- 21, 1914.

UNITED sTATEs PATENT OFFICE.

ANsEL MARION cAINE, oF NEW ORLEANS, LOUISIANA, AssrcNon To Monnmuo'r'rSURGICAL INSVTRU'MENT co., LTD., or NEW oELEgANs, LOUISIANA.

Specification 4of Letters Patent.

Patented Apr. 21, 1914.

Application led Hay 20, 1912. vSerial No. 698,558.

To all whom it may concern:

-Be it known that I, ANsEL M. CAINE, a citizen of the United States,residing at New Orleans, inthe parish of 'Orleans and State ofLouisiana, have invented certain new and usefulk Improvements inApparatus for Administering Anesthetics; and I do hereby declare thefollowin to be a full, clear, and exact description o the` invention,such as will enable others skilled in the art to which it appertains tomake and use the same.

The present invention relates to apparatus for use in connection withthe administering of ether to patients in surgery, and proposes toprovide a means which will in a great measure advance the science ofanesthesia.

' The apparatus disclosed herein has for its purpose to enable theadministering of continuous and uniform anesthesia with less salivaryand bronchial secretion, and less irritation to the bronchi than is nowpossible; allowing ready regulation of the anesthetic vapor whether thesurgeon is operating on the nose, throat, or elsewhere; permitting offreedom of the hands of the anesthetist to assist the operator orsurgeon' to the same consists of an ether bottle 1 having an ordinarymouth 2 of ound glass, that is'iitted with a rubber corr provided withtwo` erforations .or apertures extending therethrough. Through one ofthe apertures 4 is leda lon copper tube 5, which' extendsl nearly to theottom of thejar 1, and which at its upper-y or outer end is ada ted tobe connectedwith a rubber tube an said rubber tube is adaptedto' beconnected with a suitable air/pressure device, preferably an lordinafoot bellows,1such as may be ,ob-'l tained om dental suppl houses.

The lower or inner en of the tube 5 .has

connected thereto a distributing device, consistingof a perforated drum7 of copper, or other suitable metal, through which the forced` airpasses and commingles with the ether, as will be understood. The topplate 8 of the perforated drum islcentrally perforated to receive thelower end of the tube 5, as'clearly illustrated in Fig. 1.

fThe aerated ether from the vessel 1 next passes through a heaterwhereit is further rareiied, and in which condition is administered tothe patient. The heater consists of a suitable metallic vessel 13 havinga fixed cover plate 14, that is perforated to receive tubes 15 and16,*and a plug 17. The tube 15 connects, by a rubber tube, 15, with theshort tube 18 that passes through the aperture 19` of the stopper 3, andprovides the outlet for the air and ether. Thebody of the tube 15 lisconstructed with a .spiral tube 20, that is wound around vand in closecontact with a cylindrical vessel 21, and with which it communicates atthe point 22. The vessel 21 issupported substantially centrally withinthe vessel 13 through the medium of the tubes 15 .and 16, and the spacebetween said vessels 13 and 21 is filled with sodium l acetate 2.3,JNwhich constitutes the heat retaining medium for the aerated ether thatenters within the vessel 21'at 22, and passes therefrom through the pipe16 .to the mouth piece, mask, orv cone to be applied to the patient..

The sodium acetate or other material used is placed in the vessel 13through the opening in the cover plate 14, that is normally closed bythe screw, plug 17. ,Y

f For convenience in carrying the apparatus and holding the vessels "1fand 13 thereof in proper relative relation, a `tray'i's provided and thesame consists of a supportlng plate' bottlell and tighten the sto per 3.The

heater is then to be placed in oiling water for from ten to fifteenminutes when con- .105

nection is made between the tubes 15, and .'18 ofthe heater and etherbottle. Air is then forced through -the` tube'and the aerated ethercaused -toff pass through the `tubes 20 the heatmg chamber 21, which bythis time has become suciently Lheated through the sodium acetate, andin this condition passes through the pipe 16 to the patient, as will beunderstood.

It is obvious that those skilled in the art may vary the details ofconstruction and arrangement of parts without departing from thespiritof my invention, and therefore I do not wish to be limited to suchfeatures except as may be required by the claims.

What AI claim is z- A heater for use in apparatus'for administeringanestheltics, comprising a Vessel adapted to be heated from an externalsource, a closed Vessel located within the first-named vessel, a pipeentering the firstnamed vessel and formed with a spiral surrounding thesecond-named vessel, the 1nner end of said spiral pipe entering andcommunicating with the chamber of said 20 second vessel adjacent thebottom thereof, a second pipe passing through the first and second-namedvessels and communicating With the chamber of the latter at the topstance within the space between said Vessels adapted to maintain thetemperature within the chamber of the second Vessel whereby to. vaporizethe aerated anesthetic liquids, substantially as described.

In testimony whereof, I afix my signature, in presence of two Witnesses.

. ANSEL MARION CAINE. Witnesses:

B. G. WOLF,

HENRY HOFFMANN.

